Hey Nithin!

Sampige Road, 18th Cross,

Malleshwaram, Bangalore – 560012.

Phone: 080 – 23460460

Fax: 080 – 23461576

Website: http://kea.kar.nic.in

e-mail: keauthority-ka@nic.in

This the helpline number. You can mail them, call them, or fax them stating your problem. 

For more queries, feel free to ask.

Best of luck!

Read more https://www.iaspaper.net/pgcet-karnataka-helpline-number/

Then log on to official website and select forgot passord then it will ask your application id and user id after filling required details you will get message or option for crating new password. then change the password and save the setting to new password. After completion cross check the password once again logon to your application.